Home / 15,034.24-20,746.20-8,660.44

Finding the Fourth Proportional to 15,034.24, 20,746.20 and 8,660.44

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Solution

The fourth proportional to 15,034.24, 20,746.20 and 8,660.44 is: 11,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.24 : 20,746.20 = 8,660.44 : x
  2. Step 2: Convert to fraction form
    15,034.24/20,746.20 = 8,660.44/x
  3. Step 3: Cross multiply
    15,034.24x = 20,746.20 × 8,660.44
  4. Step 4: Simplify right side
    15,034.24x = 179,671,220.33
  5. Step 5: Solve for x
    x = 179,671,220.33/15,034.24
  6. Step 6: Final answer
    x = 11,950.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.